The Leoch Battery 31M-825 is a battery pack with a nominal voltage of 12 V, AGM, as the page's introduction says cells, a reserve capacity of 200 minutes and a weight of 31.5 kg.
Last updated: 8 October 2026
Battery and charging
- Voltage
- 12 V
- Chemistry
- AGM, as the page's introduction says
- Capacity, at the 20-hour rate
- 105 Ah, 20-hour rate, to 1.75 V per cell
- Reserve capacity
- 200 minutes
- Cold cranking amps
- 825 A at -18 C
“31M-825 31M 12 105 200 825 330 173 235.5 31.5 1 12 B0 TS7”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
“Premium AGM batteries designed for both starting and auxiliary power on boats and RVs.”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
“31M-825 31M 12 105 200 825 330 173 235.5 31.5 1 12 B0 TS7”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
“31M-825 31M 12 105 200 825 330 173 235.5 31.5 1 12 B0 TS7”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
“31M-825 31M 12 105 200 825 330 173 235.5 31.5 1 12 B0 TS7”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
Size and fit
- Weight
- 31.5 kg
- Length
- 330 mm
- Width
- 173 mm
- Height
- 235.5 mm
“31M-825 31M 12 105 200 825 330 173 235.5 31.5 1 12 B0 TS7”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
“31M-825 31M 12 105 200 825 330 173 235.5 31.5 1 12 B0 TS7”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
“31M-825 31M 12 105 200 825 330 173 235.5 31.5 1 12 B0 TS7”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
“31M-825 31M 12 105 200 825 330 173 235.5 31.5 1 12 B0 TS7”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
Buying and owning it
- What it is said to be best for
- Both starting and auxiliary power on boats and RVs
“Premium AGM batteries designed for both starting and auxiliary power on boats and RVs.”
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
Sources
- AGM Marine & RV Dual-Purpose Batteries | LEOCH-LEOCH BATTERYArchived document
Source: leoch.com/products/lead-acid/leisure-starting-and-deep-cycle-agm-series
Retrieved October 8, 2026